Overview
The LV5680P-E, produced by onsemi, is a multiple voltage regulator IC designed specifically for car audio systems. This integrated circuit features four voltage regulators and two high-side switches, making it a comprehensive solution for managing multiple voltage requirements in automotive audio applications. The IC includes various protection circuits such as overcurrent limiting, overvoltage protection, and thermal shutdown, ensuring robust and reliable operation.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Power supply voltage | Vcc max | - | - | 36 | V | |
| Power dissipation | Pd max | Without heat sink | - | 1.5 | W | |
| Peak voltage | Vcc peak | - | - | 50 | V | |
| Operating temperature | Topr | - | -40 | - | 85 | ℃ |
| Storage temperature | Tstg | - | -55 | - | 150 | ℃ |
| Junction temperature | Tjmax | - | - | 150 | ℃ | |
| VDD output voltage | Vout | - | 5.0 | - | - | V |
| VDD output current | Iomax | - | - | 200 | mA | |
| CD output voltage | Vout | - | 8.0 | - | - | V |
| CD output current | Iomax | - | - | 1300 | mA | |
| Illumination output voltage | Vout | - | 8-12 | - | - | V |
| Illumination output current | Iomax | - | - | 300 | mA | |
| Audio output voltage | Vout | - | 8-9 | - | - | V |
| Audio output current | Iomax | - | - | 300 | mA |
Key Features
- 4 LDO regulators: VDD (5.0V, 200mA), CD (8.0V, 1300mA), Illumination (8-12V adjustable, 300mA), and Audio (8-9V adjustable, 300mA)
- 2 High-side switches: EXT and ANT with voltage differences of 0.5V and maximum currents of 350mA and 300mA respectively
- 2 Switches connected to VDD: SW5V and ACC with voltage differences of 0.2V and maximum currents of 200mA and 100mA respectively
- Overcurrent limiting, overvoltage protection (typical detection voltage of 21V), and thermal shutdown (typical at 175℃)
- ACC voltage detector and maximum surge peak voltage of 50V
- Low thermal resistance package “HZIP15J” with θjc=2℃/W
Applications
The LV5680P-E is most suitable for car audio systems, providing multiple regulated voltage outputs and protection features essential for reliable operation in automotive environments. It can be used in various car audio applications where multiple voltage levels are required, such as amplifiers, CD players, and illumination systems.
Q & A
- What is the primary function of the LV5680P-E IC?
The LV5680P-E is a multiple voltage regulator IC designed for car audio systems, providing four regulated voltage outputs and two high-side switches. - What are the output voltages and currents for the VDD regulator?
The VDD regulator outputs 5.0V with a maximum current of 200mA. - What protection features are integrated into the LV5680P-E?
The IC includes overcurrent limiting, overvoltage protection, and thermal shutdown. - What is the maximum operating temperature for the LV5680P-E?
The maximum operating temperature is 85℃. - What is the maximum surge peak voltage the IC can handle?
The IC can handle a maximum surge peak voltage of 50V. - How many high-side switches does the LV5680P-E have?
The IC has two high-side switches: EXT and ANT. - What is the purpose of the ACC voltage detector?
The ACC voltage detector monitors the accessory voltage and turns on the corresponding output when the voltage exceeds 3V. - What is the thermal resistance of the HZIP15J package?
The thermal resistance of the HZIP15J package is θjc=2℃/W. - Can the LV5680P-E be used in non-automotive applications?
While it is designed for car audio systems, it could potentially be used in other applications requiring multiple regulated voltage outputs and protection features, but it is most suited for automotive use. - How do the CTRL1 and CTRL2 inputs control the outputs?
The CTRL1 and CTRL2 inputs have multiple states (L, M1, M2, H) that control the on/off states and configurations of the various outputs. Refer to the timing chart in the datasheet for detailed control logic.
